19387890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71807}}^1$

素因数の和:71823

約数の個数: 32

約数和(自身を含む): 51701760

約数和(自身を除く): 32313870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 71807, 143614, 215421, 359035, 430842, 646263, 718070, 1077105, 1292526, 1938789, 2154210, 3231315, 3877578, 6462630, 9693945, 19387890]

約数ペア:

[(1, 19387890), (2, 9693945), (3, 6462630), (5, 3877578), (6, 3231315), (9, 2154210), (10, 1938789), (15, 1292526), (18, 1077105), (27, 718070), (30, 646263), (45, 430842), (54, 359035), (90, 215421), (135, 143614), (270, 71807)]